KR102130363B1 - 오디오 코딩 방법 및 장치 - Google Patents

오디오 코딩 방법 및 장치 Download PDF

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Publication number
KR102130363B1
KR102130363B1 KR1020197016886A KR20197016886A KR102130363B1 KR 102130363 B1 KR102130363 B1 KR 102130363B1 KR 1020197016886 A KR1020197016886 A KR 1020197016886A KR 20197016886 A KR20197016886 A KR 20197016886A KR 102130363 B1 KR102130363 B1 KR 102130363B1
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South Korea
Prior art keywords
audio frame
spectral tilt
frame
determining
tilt frequency
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KR1020197016886A
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English (en)
Korean (ko)
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KR20190071834A (ko
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저신 류
빈 왕
레이 먀오
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후아웨이 테크놀러지 컴퍼니 리미티드
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020197016886A 2014-06-27 2015-03-23 오디오 코딩 방법 및 장치 KR102130363B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN201410299590.2 2014-06-27
CN201410299590 2014-06-27
CN201410426046.XA CN105225670B (zh) 2014-06-27 2014-08-26 一种音频编码方法和装置
CN201410426046.X 2014-08-26
PCT/CN2015/074850 WO2015196837A1 (zh) 2014-06-27 2015-03-23 一种音频编码方法和装置

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KR20190071834A KR20190071834A (ko) 2019-06-24
KR102130363B1 true KR102130363B1 (ko) 2020-07-06

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KR1020187022368A KR101990538B1 (ko) 2014-06-27 2015-03-23 오디오 코딩 방법 및 장치
KR1020197016886A KR102130363B1 (ko) 2014-06-27 2015-03-23 오디오 코딩 방법 및 장치
KR1020167034277A KR101888030B1 (ko) 2014-06-27 2015-03-23 오디오 코딩 방법 및 장치

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US (4) US9812143B2 (hu)
EP (3) EP3340242B1 (hu)
JP (1) JP6414635B2 (hu)
KR (3) KR101990538B1 (hu)
CN (2) CN106486129B (hu)
ES (2) ES2882485T3 (hu)
HU (1) HUE054555T2 (hu)
PL (1) PL3340242T3 (hu)
WO (1) WO2015196837A1 (hu)

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Also Published As

Publication number Publication date
EP3136383B1 (en) 2017-12-27
EP3340242A1 (en) 2018-06-27
EP3136383A1 (en) 2017-03-01
US20210390968A1 (en) 2021-12-16
CN106486129B (zh) 2019-10-25
CN105225670A (zh) 2016-01-06
KR20180089576A (ko) 2018-08-08
US10460741B2 (en) 2019-10-29
KR20190071834A (ko) 2019-06-24
KR20170003969A (ko) 2017-01-10
US11133016B2 (en) 2021-09-28
EP3937169A3 (en) 2022-04-13
ES2882485T3 (es) 2021-12-02
EP3937169A2 (en) 2022-01-12
EP3136383A4 (en) 2017-03-08
EP3340242B1 (en) 2021-05-12
HUE054555T2 (hu) 2021-09-28
US9812143B2 (en) 2017-11-07
KR101888030B1 (ko) 2018-08-13
JP2017524164A (ja) 2017-08-24
US20170372716A1 (en) 2017-12-28
US20200027468A1 (en) 2020-01-23
CN105225670B (zh) 2016-12-28
ES2659068T3 (es) 2018-03-13
PL3340242T3 (pl) 2021-12-06
JP6414635B2 (ja) 2018-10-31
WO2015196837A1 (zh) 2015-12-30
CN106486129A (zh) 2017-03-08
KR101990538B1 (ko) 2019-06-18
US20170076732A1 (en) 2017-03-16

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